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ICS9248-65

Integrated Circuit Systems
Part Number ICS9248-65
Manufacturer Integrated Circuit Systems
Description Frequency Generator & Integrated Buffers
Published Oct 7, 2005
Detailed Description Integrated Circuit Systems, Inc. ICS9248-65 Frequency Timing Generator for PENTIUM II™Systems Features • Generates the...
Datasheet PDF File ICS9248-65 PDF File

ICS9248-65
ICS9248-65

Overview
Integrated Circuit Systems, Inc.
ICS9248-65 Frequency Timing Generator for PENTIUM II™Systems Features • Generates the following system clocks: - 3 CPU clocks ( 2.
5V, 100/133MHz) - 10 PCI clocks, including 1 free-running (3.
3V, 33.
3MHz) - 1 CPU/2 clocks (2.
5V, 50/66.
6MHz) - 1 IOAPIC clocks (2.
5V, 16.
67MHz) - 3 Fixed frequency 66MHz clocks(3.
3V, 66.
6MHz) - 2 REF clocks(3.
3V, 14.
318MHz) - 1 USB clock (3.
3V, 48MHz) Efficient power management through PD#.
0 to -0.
5% typical down spread modulation on CPU, PCI, IOAPIC, 3V66 and CPU/2 output clocks.
Uses external 14.
318MHz crystal.
Key Specification • • • • • • • • • • • • CPU Output Jitter: <250ps CPU/2 Output Jitter.
<250ps IOAPIC Output Jitte...


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